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U.S. Department of the Interior Stewarding Conservation and Powering Our Future.. The official page of the Department of the Interior (DOI).

For the official source of information about the DOI, please visit our website at: https://www.doi.gov/. You are encouraged to share your comments, ideas, and concerns. Note that information, including personally identifiable information, that you voluntarily submit to or publish on a Department of the Interior page on a third party site may be treated as public information and archived accordingly in order to abide with applicable laws. If you choose to engage with the DOI through a blog or comment feature on a third-party social media website or application, the DOI reserves the right to moderate, remove or reject (not post) comments that contain:

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This National Veterans and Military Families Month, we honor our military members and the families and caregivers who su...
11/03/2026

This National Veterans and Military Families Month, we honor our military members and the families and caregivers who support them.

Current U.S. military members and their dependents can receive a free annual Military Pass to explore national parks and other participating federal public lands.

It’s one way we thank those who serve and recognize the sacrifices they and their families make for our nation.

Learn more about the free annual Military Pass, including eligibility, in the comments below.

Photo of Military Families Outdoors participants Yellowstone National Park

Sand dunes and fall foliage? Name a better duo. Golden aspens and towering sand dunes come together at Great Sand Dunes ...
11/02/2026

Sand dunes and fall foliage? Name a better duo.

Golden aspens and towering sand dunes come together at Great Sand Dunes National Park and Preserve in Colorado, to create one of the most spectacular autumn landscapes.

Home to the tallest sand dunes in North America, this incredible park is a one of a kind.

Photos by NPS

Fall is a reel good time to go fishing! Cooler temperatures and beautiful fall colors make autumn a great time to cast a...
11/02/2026

Fall is a reel good time to go fishing!

Cooler temperatures and beautiful fall colors make autumn a great time to cast a line on America's public lands. It's the perfect time to slow down, enjoy the scenery and maybe even reel in the catch of a lifetime.

Grab your gear, check local fishing regulations and find your next favorite fishing spot on your public lands.

Photo at Seedskadee and Cokeville Meadows National Wildlife Refuges in Wyoming by USFWS

Saint Croix National Scenic Riverway winds through more than 200 miles of Minnesota and Wisconsin, offering some of the ...
11/01/2026

Saint Croix National Scenic Riverway winds through more than 200 miles of Minnesota and Wisconsin, offering some of the most scenic and least developed landscapes in the Upper Midwest.

Paddle beneath wooded bluffs, camp amid the Northwoods or cast a line surrounded by fall color. Along the way, watch for bald eagles and other wildlife that call the riverway home.

Photo by Craig Blacklock

The face you make when someone starts playing Christmas music on November 1. So, let's settle this. How early is too ear...
11/01/2026

The face you make when someone starts playing Christmas music on November 1.

So, let's settle this. How early is too early for Christmas music?

Photo of great horned owl on Seedskadee National Wildlife Refuge in Wyoming by USFWS.

At a job interview: So, it says here that you really love Halloween. Me:Photo of a juvenile California condor at Pinnacl...
10/31/2026

At a job interview: So, it says here that you really love Halloween.
Me:

Photo of a juvenile California condor at Pinnacles National Park by Jeffrey Schwegman.

Haunted rocks?Deep in Death Valley National Park, mysterious rocks slide across a dry lakebed called Racetrack Playa, le...
10/30/2026

Haunted rocks?

Deep in Death Valley National Park, mysterious rocks slide across a dry lakebed called Racetrack Playa, leaving long trails in the cracked earth behind them.

For decades, nobody could explain how these rocks, some weighing hundreds of pounds, moved across the desert floor without anyone seeing them budge.

The mystery was finally solved in 2014 when scientists observed a rare combination of rain, freezing temperatures and wind. Thin sheets of ice formed around the rocks, and gentle winds pushed the ice and rocks across the slippery mud.

No ghosts. Just weather.

Photo by Shu Xu

In the 1840s, a doctor believed the cool, stable air deep inside Mammoth Cave in Kentucky could cure tuberculosis.Patien...
10/30/2026

In the 1840s, a doctor believed the cool, stable air deep inside Mammoth Cave in Kentucky could cure tuberculosis.

Patients suffering from the disease moved underground into small stone huts, spending weeks and even months in the darkness, hoping the cave would restore their health.

The experiment failed, and several patients died. Tuberculosis is caused by bacteria, not poor air quality, and the damp, poorly ventilated conditions inside the cave only made things worse.

Today, two of the original stone huts still stand. They are an eerie reminder of one of the strangest chapters in the cave's history.

Photo of a tuberculin hut inside Mammoth Cave National Park.

The only thing scarier than a ghost at Acadia National Park? Missing peak fall foliage. Don't let autumn disappear befor...
10/29/2026

The only thing scarier than a ghost at Acadia National Park?

Missing peak fall foliage.

Don't let autumn disappear before you've had a chance to enjoy the boo-tiful scenery on America's public lands.

Photo by Kelsey Graczyk/DOI

Talk about being in the right place at the right time! While conducting wildlife research in Alaska, a USGS team discove...
10/29/2026

Talk about being in the right place at the right time! While conducting wildlife research in Alaska, a USGS team discovered an orphaned Pacific walrus calf and helped save his life. Meet Annautaq and read the incredible story of his rescue.

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